<?php
    $province = $_POST["province"];

    switch($province){
        case "山东省" :
            echo "1,2,3";
            break;
        case "辽宁省" :
            echo "4,5,6";
            break;
        case "吉林省" :
            echo "7,8,9";
            break;
        case "广东省" :
            echo "0,0,8";
            break;
    }

?>
